It was discovered that an information leak exists in the Rock Ridgeimplementation in the Linux kernel. A local attacker who is able to mount amalicious iso9660 file system image could exploit this flaw to obtainpotentially sensitive information from kernel memory.

android kernels (flo, goldfish, grouper, maguro, mako and manta) are
not supported on the Ubuntu Touch 14.10 and earlier preview kernels
linux-lts-saucy no longer receives official support
linux-lts-quantal no longer receives official support